Product:

Firefox_esr

(Mozilla)
Repositories https://github.com/libevent/libevent
#Vulnerabilities 747
Date Id Summary Products Score Patch Annotated
2021-11-03 CVE-2021-38497 Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. Firefox, Firefox_esr, Thunderbird 6.5
2021-11-03 CVE-2021-38498 During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. Firefox, Firefox_esr, Thunderbird 7.5
2021-11-03 CVE-2021-38501 Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. Firefox, Firefox_esr, Thunderbird 8.8
2021-12-08 CVE-2021-38503 The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. Debian_linux, Firefox, Firefox_esr, Thunderbird 10.0
2021-12-08 CVE-2021-38504 When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. Debian_linux, Firefox, Firefox_esr, Thunderbird 8.8
2021-12-08 CVE-2021-38505 Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account. *This bug... Firefox, Firefox_esr, Thunderbird 6.5
2021-12-08 CVE-2021-38506 Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. Debian_linux, Firefox, Firefox_esr, Thunderbird 4.3
2021-12-08 CVE-2021-38507 The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of... Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
2021-12-08 CVE-2021-38508 By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. Debian_linux, Firefox, Firefox_esr, Thunderbird 4.3
2021-12-08 CVE-2021-38509 Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. Debian_linux, Firefox, Firefox_esr, Thunderbird 4.3